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Excited to see someone finally doing this! I can imagine folks with sensitive model weights being especially interested.

Do you run into rate limits or other issues with TLS cert issuance? One problem we had when doing this before is that each spinup of the enclave must generate a fresh public key, so it needs a fresh, publicly trusted TLS cert. Do you have a workaround for that, or do you just have the enclaves run for long enough that it doesn’t matter?

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We actually run into the rate limit issue often particularly while spinning up new enclaves while debugging. We plan on moving to HPKE: https://www.rfc-editor.org/rfc/rfc9180.html over the next couple months. This will let us generate keys inside the enclave and encrypt the payload with the enclave specific keys, while letting us terminate TLS in a proxy outside the enclave. All the data is still encrypted to the enclave using HPKE (and still verifiable).

This will let us fix the rate limit issue.

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